Format code using black

So we can automatically fix many formatting issues.

https://black.readthedocs.io/

Drop pypy3 testing due to python/typed_ast#111

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, pypy3]
+        python-version: [3.6, 3.7, 3.8]
 
     steps:
     - uses: actions/checkout@v2
@@ -26,8 +26,9 @@ jobs:
     - name: Lint
       if: matrix.python-version == '3.8'
       run: |
-        pip install flake8
+        pip install flake8 black
         flake8 git_stacktrace
+        black --check .
     - name: Run Tests via Tox
       # Run tox using the version of Python in `PATH`
       run: tox -e py

doc/source/conf.py

@@ -21,7 +21,7 @@
 
 import git_stacktrace
 
-sys.path.insert(0, os.path.abspath('.'))
+sys.path.insert(0, os.path.abspath("."))
 
 
 # -- General configuration ------------------------------------------------
@@ -33,27 +33,24 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.viewcode',
-    'sphinx.ext.intersphinx']
+extensions = ["sphinx.ext.autodoc", "sphinx.ext.viewcode", "sphinx.ext.intersphinx"]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'git-stacktrace'
-copyright = u'2017 Pinterest, Inc'
-author = u'Joe Gordon'
+project = u"git-stacktrace"
+copyright = u"2017 Pinterest, Inc"
+author = u"Joe Gordon"
 
 
 # The version info for the project you're documenting, acts as replacement for
@@ -78,7 +75,7 @@
 exclude_patterns = []
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False
@@ -89,7 +86,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'sphinx_rtd_theme'
+html_theme = "sphinx_rtd_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -100,28 +97,28 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
 #
 # This is required for the alabaster theme
 # refs: http://alabaster.readthedocs.io/en/latest/installation.html#sidebars
 html_sidebars = {
-    '**': [
-        'about.html',
-        'navigation.html',
-        'relations.html',  # needs 'show_related': True theme option to display
-        'searchbox.html',
-        'donate.html',
+    "**": [
+        "about.html",
+        "navigation.html",
+        "relations.html",  # needs 'show_related': True theme option to display
+        "searchbox.html",
+        "donate.html",
     ]
 }
 
 
 # -- Options for HTMLHelp output ------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'git-stacktracedoc'
+htmlhelp_basename = "git-stacktracedoc"
 
 
 # -- Options for LaTeX output ---------------------------------------------
@@ -130,15 +127,12 @@
     # The paper size ('letterpaper' or 'a4paper').
     #
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #
     # 'preamble': '',
-
     # Latex figure (float) alignment
     #
     # 'figure_align': 'htbp',
@@ -148,19 +142,15 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'git-stacktrace.tex', u'git-stacktrace Documentation',
-     u'Joe Gordon', 'manual'),
+    (master_doc, "git-stacktrace.tex", u"git-stacktrace Documentation", u"Joe Gordon", "manual"),
 ]
 
 
 # -- Options for manual page output ---------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [
-    (master_doc, 'git-stacktrace', u'git-stacktrace Documentation',
-     [author], 1)
-]
+man_pages = [(master_doc, "git-stacktrace", u"git-stacktrace Documentation", [author], 1)]
 
 
 # -- Options for Texinfo output -------------------------------------------
@@ -169,11 +159,17 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'git-stacktrace', u'git-stacktrace Documentation',
-     author, 'git-stacktrace', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "git-stacktrace",
+        u"git-stacktrace Documentation",
+        author,
+        "git-stacktrace",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {"https://docs.python.org/": None}

git_stacktrace/__init__.py

@@ -1,3 +1,3 @@
 import pkg_resources
 
-__version__ = pkg_resources.get_provider(pkg_resources.Requirement.parse('git-stacktrace')).version
+__version__ = pkg_resources.get_provider(pkg_resources.Requirement.parse("git-stacktrace")).version

git_stacktrace/api.py

@@ -29,7 +29,7 @@
 
 def _longest_filename(matches):
     """find longest match by number of '/'."""
-    return max(matches, key=lambda filename: len(filename.split('/')))
+    return max(matches, key=lambda filename: len(filename.split("/")))
 
 
 def _lookup_files(commit_files, git_files, traceback, results):

git_stacktrace/cmd.py

@@ -17,29 +17,42 @@ def main():
     description = "Lookup commits related to a given stacktrace."
     parser = argparse.ArgumentParser(usage=usage, description=description)
     range_group = parser.add_mutually_exclusive_group()
-    range_group.add_argument('--since', metavar="<date1>", help='show commits '
-                             'more recent than a specific date (from git-log)')
-    range_group.add_argument('range', nargs='?', help='git commit range to use')
-    range_group.add_argument('--server', action="store_true", help='start a '
-                             'webserver to visually interact with git-stacktrace')
-    parser.add_argument('--port', default=os.environ.get('GIT_STACKTRACE_PORT', 8080),
-                        type=int, help='Server port')
-    parser.add_argument('-f', '--fast', action="store_true", help='Speed things up by not running '
-                        'pickaxe if the file for a line of code cannot be found')
-    parser.add_argument('-b', '--branch', nargs='?', help='Git branch. If using --since, use this to '
-                        'specify which branch to run since on. Runs on current branch by default')
-    parser.add_argument('--version', action="version",
-                        version='%s version %s' % (os.path.split(sys.argv[0])[-1], git_stacktrace.__version__))
-    parser.add_argument('-d', '--debug', action='store_true', help='Enable debug logging')
+    range_group.add_argument(
+        "--since", metavar="<date1>", help="show commits " "more recent than a specific date (from git-log)"
+    )
+    range_group.add_argument("range", nargs="?", help="git commit range to use")
+    range_group.add_argument(
+        "--server", action="store_true", help="start a " "webserver to visually interact with git-stacktrace"
+    )
+    parser.add_argument("--port", default=os.environ.get("GIT_STACKTRACE_PORT", 8080), type=int, help="Server port")
+    parser.add_argument(
+        "-f",
+        "--fast",
+        action="store_true",
+        help="Speed things up by not running " "pickaxe if the file for a line of code cannot be found",
+    )
+    parser.add_argument(
+        "-b",
+        "--branch",
+        nargs="?",
+        help="Git branch. If using --since, use this to "
+        "specify which branch to run since on. Runs on current branch by default",
+    )
+    parser.add_argument(
+        "--version",
+        action="version",
+        version="%s version %s" % (os.path.split(sys.argv[0])[-1], git_stacktrace.__version__),
+    )
+    parser.add_argument("-d", "--debug", action="store_true", help="Enable debug logging")
     args = parser.parse_args()
 
-    logging.basicConfig(format='%(name)s:%(funcName)s:%(lineno)s: %(message)s')
+    logging.basicConfig(format="%(name)s:%(funcName)s:%(lineno)s: %(message)s")
     if args.debug:
         logging.getLogger().setLevel(logging.DEBUG)
 
     if args.server:
         print("Starting httpd on port %s..." % args.port)
-        httpd = make_server('', args.port, server.application)
+        httpd = make_server("", args.port, server.application)
         try:
             httpd.serve_forever()
         except KeyboardInterrupt: